215k views
2 votes
Multiply (1.2 ⋅ 10^28) ⋅ (3 ⋅ 10^−19). Express the answer in scientific notation.

3.6 ⋅ 109
3.6 ⋅ 1010
36 ⋅ 109
36 ⋅ 1010

2 Answers

4 votes
I believe the correct answer is A. 
User Yasu
by
6.6k points
5 votes
3.6* 10^9. hope this helps
User Aseychell
by
6.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.